























Genesis is the first dual action anti-fall haircare range: FOR ALL WOMEN, IN ALL LIFESTYLES, WITH ALL DEGREE OF HAIR FALL.
Powered with a cocktail of highly efficient ingredients to instantly strengthen and thicken the hair fiber for an immediate fuller look with more fiber strength, more fiber retention* and -84% less hair-fall**.
*Clinical study, 99 people, 6 weeks use.
**hair-fall due to breakage. Instrumental test on Bain Nutri-fortifiant + Masque Reconstituant + Ampoule/Sérum Aminexil.
HOW DOES GENESIS WORK?
A double action for your client:
Instantly: PROTECTS AGAINST DAILY EXTERNAL AGGRESSOR AND ANTIOXIDES thanks to Ginger roots and Edelweiss native cells.
Long Term: STOP HAIR-FALL FORTIFIES HAIR ANCHORAGE & RETENTION AND REDUCE HAIR-FALL FROM THE ROOTS thanks to Aminexil.
Sérum Anti-Chute Fortifiant benefits:
- Silicone-free.
- Strengthens hair day after day.
- 97% less hair fall due to breakage from brushing*.
*System of Bain Hydra-Fortifiant + Fondant Renforcateur + Sérum Fortifiant vs Non-Conditioning Shampoo.
WHO IS IT FOR?
Genesis targets every woman with hair fall need that would efficient, convenient and peasurable with :
- Instant result of hair care
- Efficacy of anti hair fall solutions
Activate scalp with the Serum Anti-Chute Fortifiant.
Use once daily in the morning or before going to bed during a 6-week period :
Step 1: Take 1 pipette until the mark.
Step 2: Apply 3 drops by section and repeat on the whole scalp with 4 doses.
Step 3: Massage gently, do not rinse.
Learn more on Access
Ask more information about this productGenesis Sérum Anti-Chute Fortifiant is enriched with GINGER ROOT, EDELWEISS NATIVE CELLS and AMINEXIL.
GINGER ROOTS: Known for its ability to protect against daily external aggressors.
EDELWEISS NATIVE CELLS: Capable to resist the most extreme conditions and is known in skincare for its antioxidants. It also has power & collagen-preserving properties.
AMINEXIL: Helps hair to anchor more solidly into the scalp & prevents collagen from hardening around hair follicles to reduce hair-fall from the roots.
Noor ahmed
51.740564909E12 26/02/2025
100/100
I love it my favorite this my second bottle. Less shedding. Recommend
Originally posted on kerastase-usa.com
Seniami
51.740525306E12 25/02/2025
Hair Serum
[This review was collected as part of a promotion.] This is first time that I bought it and never disappointed. This is second serum that I using everyday and smell good.
Originally posted on kerastase-usa.com
Danimcarr
51.74042091E12 24/02/2025
Really works
Hair shed has been reduced to nearly nothing! Such an amazing product
Originally posted on kerastase-usa.com
AllieCat2
51.740373206E12 24/02/2025
This stuff is AMAZING!
My hairstylist used this on my hair after a visit and I fell in love with this serum. It really does the job of strengthening the roots. It smells amazing too! Clearly it is amazing as it flies off of the salon shelf and the website, as it is frequently sold out.
Originally posted on kerastase-usa.com
Maryel
51.740521352E12 25/02/2025
Perfecto
De las mejores inversiones que pude hacer en mi cabello. Me encanta como ha controlado la caída y me ha crecido nuevo cabello. Tengo hipotiroidismo y resistencia a la insulina por lo que tener un cabello sano ha sido complicado. Este producto me ha ayudado incluso con mi cabello decolorado. Me encantó el peoducto
Originally posted on kerastase-usa.com
Olivia Michele
51.740445209E12 24/02/2025
Incredible results!
Incredible! Have been using for a few weeks and my hair appears stronger and less breakage.
Originally posted on kerastase-usa.com
Ashleyc8777
51.740445209E12 24/02/2025
Really good!
[This review was collected as part of a promotion.] I could notice a difference very quickly. It goes on very wet but then dries and kind of gives me volume.
Originally posted on kerastase-usa.com
Belmis
51.740249909E12 22/02/2025
Excellent
[This review was collected as part of a promotion.] I have noticed less hair loss when washing my hair and it does not leave my hair sticky when I apply it.
Originally posted on kerastase-usa.com
maiamm
51.740240919E12 22/02/2025
BUY!!
[This review was collected as part of a promotion.] Already have bought my second bottle. So much less hair fall out.
Originally posted on kerastase-usa.com
Alejavalepin
51.740240007E12 22/02/2025
Es espectacular
[This review was collected as part of a promotion.] Yo vivo fascinada con estos productos y este, aunque solo lo he utilizado una vez ha sido maravilloso. Mil recomendado
Originally posted on kerastase-usa.com
Ally25
51.740406535E12 24/02/2025
Bhavchari
51.740405613E12 24/02/2025
The best product
Hands down, the best hair serum ever. I wish it came in a bigger bottle, I can't stop using it, love the smell of it too!
Originally posted on kerastase-usa.com
Twilight
51.740406535E12 24/02/2025
Love the scent
I recently just bought this because I saw it all over my fyp on TikTok and so far I really enjoy it. The smell is pretty strong but it’s a tolerable scent, I can’t really give a proper review yet saying it works since I just started using it but I will say I did notice my hair falling less.
Originally posted on kerastase-usa.com
Zee Kurtbedin
51.740405613E12 24/02/2025
It works for me.
My friend recommend me to get it. I’ve started having so much hair fall out and was getting worried. I’ve ordered fortfiant serum and started using it daily at night for 2 weeks now along with vitamin E and hair oiling and definitely seeing results. My hair got stronger and shedding went down to normal not bunch of it like it use too.
Originally posted on kerastase-usa.com
cherrypiec
31.740520372E12 25/02/2025
we will see
I will update my review once I've used for six weeks. I have high hopes because I love this line. downside is it REEKS like after shave
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
Hello Cherrypiec, We appreciate your honest feedback on Serum Fortifiant Hair Serum. We are sorry to hear you dislike the fragrance. We are always looking for ways to improve our products and services. Your feedback will be passed along to others in our company for consideration.
Star Butterfly
51.740229214E12 22/02/2025
Works! But runs out quick
[This review was collected as part of a promotion.] I really love this serum! It works and is effective, I just ran out of it so quick! I used it with the directions of everyday, but I recommend using it every wash day to make the bottle last longer! It also smells amazing and I can smell it throughout the day! Not too strong but fragrant and it doesn’t leave your hair oily!
Originally posted on kerastase-usa.com
alex23
41.740182405E12 21/02/2025
First impression
I’ve been using for only 2 weeks but I really like the serum. It smells nice, feels very soothing in the scalp, and doesn’t leave a greasy finish which is a huge plus because my hair is very fine and oily. I haven’t seen any major results yet since I started using it only recently but so far I like it.
Originally posted on kerastase-usa.com
SickaSicko
51.740171607E12 21/02/2025
Holy grail
This serum is amazing! It makes my hair soft and my hair doesn’t fall out anymore. Their products are all that I use. I’ve notice major hair growth.
Originally posted on kerastase-usa.com
LauBrnst
51.740090605E12 20/02/2025
Excellent product
I’ve been using this product for a month, and you can definitely see the difference with new baby hairs. Plus, the smell is amazing.
Originally posted on kerastase-usa.com
Carllycar
51.739887218E12 18/02/2025
Genesis in a bottle
My biggest concern is how much I shred! I shred hairballs of hair everytime I brush my hair and finally made the investment to purchase this bottle! It has significantly strengthened my hair to reduce my hair balls into more subtle strands of hair!
Originally posted on kerastase-usa.com
Sab95
51.739859325E12 18/02/2025
Simple et efficace !
J’ai acheté ce produit suite à une perte de cheveux dû à la saison, l’utilisation est récente mais je vois déjà que je perds moins de cheveux. Le produit ne rend pas le cheveux gras, s’absorbe rapidement et laisse une odeur très agréable.
Originally posted on kerastase.fr
Anonymous
51.740053713E12 20/02/2025
Worth the investment
My hair is stronger and softer after only a few weeks.
Originally posted on kerastase-usa.com
Em2525
51.739853907E12 17/02/2025
Amazing product
[This review was collected as part of a promotion.] I have used this product for over a year now and have repurchased several times. I can’t imagine this product not being part of my hair routine. I can tell such a difference in the way my hair looks and feels. 10/10
Originally posted on kerastase-usa.com
Fran W
51.739850307E12 17/02/2025
Stops breakage!
This has changes my hair in only 2 weeks! I have serious breakage from years of bleaching. Every time I brushed my hair it was snapping off. I have noticed that my hair is not breaking off! I use I dropper filled to the line every night and it leaves no residue. You can use on dry or damp hair. The smell is a little strong but fades by morning time. Will definitely be repurchasing and using consistently on my hair health journey!
Originally posted on kerastase-usa.com
Stephtones
51.740018607E12 19/02/2025
Best hair serum
I was having a lot hair loss and this serum helped me to bring back my hair to life. Now I can’t live without
Originally posted on kerastase-usa.com
Marianna Araujo
51.739850307E12 17/02/2025
“Game-Changer for Soft, Healthy Hair!”
I’ve been using this hair product for two weeks, and the difference is amazing! My hair feels incredibly soft, looks healthier, and has a noticeable shine. It’s lightweight, smells great, and doesn’t leave any greasy residue. Definitely a must-have for anyone looking to improve their hair’s texture and strength!
Originally posted on kerastase-usa.com
Molly K
51.739837705E12 17/02/2025
A new staple
Love this serum. Feels great, smells great, and seems to be really working. Already repurchased
Originally posted on kerastase-usa.com
Imogen
41.740010508E12 19/02/2025
Did indeed stop my breakage
I ordered this as I saw a lot of positive content about it online. I had really bad breakage and fall out. I read the instructions, it didn’t really say how much to use, it just said to apply it to the scalp once a day. When I opened the bottle, I saw the dropper had a line on it, indicating almost like, a “serving” amount, however - how many was I supposed to put on my scalp each time? I did see that this product was supposed to be used over a 6 week period, so it’s supposed to last a while. I started out using wayyy too much product, and went through like, 1/3 of my bottle in my first week of having it. I recommend using 1 dropper (product up to the line) per day if it is to last you the full 6 weeks. That said, the product did what it promises! My brittle, lifeless, frizzy, fried hair became so much softer, and the fall out decreased dramatically like, overnight. My hair is doing a lot better now. I did get the 8hr Magic Night Serum with it, and these two products have helped my hair tremendously.
Originally posted on kerastase-usa.com
D in Irvine
41.739974535E12 19/02/2025
Almost Perfect
[This review was collected as part of a promotion.] The smell of this product is amazing I feel like it makes your hair feel nice but I also feel there is an alcohol element that is also very drying.
Originally posted on kerastase-usa.com
Evy123
51.73991871E12 18/02/2025
My hair stop falling and feels thicker :)
Best product ever will continue buying , my hair feels stronger
Originally posted on kerastase-usa.com
Cam cam
51.739731511E12 16/02/2025
Product works
I noticed less fall out in my hair when brushing it
Originally posted on kerastase-usa.com
Tanjum
51.739730617E12 16/02/2025
Absolutely magic
I need this product in subscription. I hate how it’s been sold out😭😭😭
Bring it back but please don’t mess with the formula, which is literally my biggest fear.
Originally posted on kerastase-usa.com
Anna05
31.739912551E12 18/02/2025
So so
My friend recommended this product to me, so I decided to try it. However, it didn’t really make a difference for me. I used it for a while and finished two bottles to give it enough time to work. It has a nice fragrance and makes your hair look good, but it didn’t solve my hair breakage and hair fall issues.
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
Hi Anna05, We appreciate your comments about our Serum Fortifiant Hair Serum. We are sorry to hear that it did not fully meet your expectations. As consumers ourselves, we do understand how disappointing that can be. We will be passing your comments along. Thanks for giving it a try!
Ana Riv
51.739715315E12 16/02/2025
Best hair care
Love this for my hair. Made such a difference. Recommend
Originally posted on kerastase-usa.com
Jenny cc
51.739758505E12 16/02/2025
Best ever
Absolutely love this serum, definitely have seen improvement!
Originally posted on kerastase-usa.com
Lisa 26
11.739917392E12 18/02/2025
Did not work...
I purchaed this to help srengthn my hair that had breakage and it did not work. On the contrary - my hair starting falling out and breaking even more.
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
Hello Lisa 26, We are sorry to hear about the experience you had with Serum Fortifiant Hair Serum. We want to speak with you directly about it. Please give us a call at 877-748-8357 M-F 9:00 am – 5:00 pm ET for assistance and provide reference 39806776.
Mparikh
51.739739611E12 16/02/2025
Parikh
[This review was collected as part of a promotion.] Absolutely love this hair serum! It tames my frizz, adds shine, and makes my hair feel silky smooth. Definitely must have.
Originally posted on kerastase-usa.com
Anonymous
51.739729711E12 16/02/2025
Great Hair Serum
[This review was collected as part of a promotion.] Non greasy & great serum. Hope to see results in coming weeks
Originally posted on kerastase-usa.com
Wendy9893
31.739550084E12 14/02/2025
Dont really notify any changes
[This review was collected as part of a promotion.] I almost finish a whole bottle and don't really notify any changes, not improving not getting worse so I'm not sure how it really works
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
Hi there! Thank you for reaching out about our Serum Fortifiant Hair Serum. We appreciate you finishing a whole bottle and sharing that you didn't notice any significant changes, either positive or negative. It's helpful to know that you're unsure how the product worked for you. We value your opinion!
Maricel25
41.739520911E12 14/02/2025
Still trying it out
[This review was collected as part of a promotion.] So far I'm really happy with my results, this is my second bottle and already can see some new hairs growing, will keep using it consistently and hopefully will give me more results as I've been struggling with hair loss since my teen years.
Originally posted on kerastase-usa.com
Anonymous
51.74004561E12 20/02/2025
Perfect for hair growth
Highly recommended for who have problem that hair lose that’s work really good you will see the results after 2 week and this is my 4bottle I hair grow a lot. I used it 4-5time a week after I wash my hair apply on the spot that your hair lose and messages 1mn when hair wet or dry the smell so amazing make you feel fresh. I love it. Perfect for who want hair grow and thick hair.
Originally posted on kerastase-usa.com
Laaaay
51.739679304E12 15/02/2025
Nice smell and big
[This review was collected as part of a promotion.] I was looking for something that would help me with my hair cause I lost so much hair
Originally posted on kerastase-usa.com
Kels0203
51.739544313E12 14/02/2025
Great for scalp
I don’t mind the fragrance but ever since I started using this, I noticed that there is lesser hairfall when I brush my hair or take a shower. I’ve been using it for 3 months now..
Originally posted on kerastase-usa.com
Kiamali
51.739379612E12 12/02/2025
The best product I have ever used
[This review was collected as part of a promotion.] In the first pose my hair stopped falling out , I loved
Originally posted on kerastase-usa.com
mysticmissouri
21.739674805E12 15/02/2025
OVERHYPED
[This review was collected as part of a promotion.] TikTok made me buy it. I really wanted to like it—this is my second bottle. I’ve been using it as recommended, but I haven’t seen any benefits. On top of that, it caused breakouts on my scalp.
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
We are sorry to hear about the experience you had with Serum Fortifiant Hair Serum. We would like to speak with you directly about it. Please give us a call @877-254-9949 M-F 9:00 am – 5:30 pm ET for assistance and provide the reference # 39762868. Looking forward to speaking with you. It would be helpful if you could have the product available when you call.
Myma
21.739361653E12 12/02/2025
Déçue, je me tourne vers ce produit sujette à une perte de cheveux liée à l'âge.
J'ai le cheveu frisé et je constate malheureusement dans un premier temps que ce sérum me rend les cheveux très secs donc à terme je doute de son efficacité, je pense même arrêter le traitement avant la fin du traitement.
Je mets 2 étoiles pour son odeur, sa texture et qu'il est possible qu'il fonctionne sur d'autres natures de cheveux et que Kérastase reste logiquement une bonne marque, je vais cependant rester sur une huile moins onéreuse.
Originally posted on kerastase.fr
RachDB
51.739338209E12 12/02/2025
Amazing Product
I bought this product after reading reviews and feedback from others. I am impressed with the results. I am not surprised this product sells out. As described, it has reduced my hair shedding, in just a few weeks. I love the smell and results. This is a must have product for me moving forward.
Originally posted on kerastase-usa.com
mayrab
51.739300408E12 11/02/2025
I like how this feels on my scalp
[This review was collected as part of a promotion.] Not sure yet if it’s working but I love how it feels on my scalp .
Originally posted on kerastase-usa.com
Vilma25
51.739291414E12 11/02/2025
great product
[This review was collected as part of a promotion.] Strengthens roots and reduces hair fall over time. Excellent product
Originally posted on kerastase-usa.com
Maferardon13
51.739331909E12 11/02/2025
Love it
[This review was collected as part of a promotion.] Love it, seen different after 2 weeks of using it !
Originally posted on kerastase-usa.com
IAIAIA
51.739228405E12 10/02/2025
Great product
My hair isn’t falling out as much. And it smells amazing!
Originally posted on kerastase-usa.com
Helenmukhina
51.739301315E12 11/02/2025
Amazing serum - shiny ✨ hair and amazing scents ✨
I tried this serum for the first time - I felt in love!
It’s smells like very expensive perfume
And the quality of hair is so amazing after using it!
I really recommend it!
Originally posted on kerastase-usa.com
Anonymous
11.739286499E12 11/02/2025
horrible
this made me lose SO MUCH HAIR!!!!!! i am not sure why but i have lost so much hair with this product that i can barely even go in public. this needs to be taken off the market because it is an actual hazard.
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
We are sorry to hear about the experience you had with Serum Fortifiant Hair Serum. We would like to speak with you directly about it. Please give us a call @ 1-877-254-9949 M-F 9:00 AM- 5:30PM for assistance and provide the reference # 39736669. Looking forward to speaking with you. It would be helpful if you could have the product available when you call.
Anonymous
51.739153709E12 09/02/2025
Hair smells and looks terrific!
Enjoying the fragrant hair serum, as I put a dropper full on my hair in the morning and evening. It’s nice to get something with a good fragrance that keeps my hair shiny, smelling good and continues to protect throughout each day.
Originally posted on kerastase-usa.com
Abyyyyy
51.739149207E12 09/02/2025
Lo mejor para el crecimiento
[This review was collected as part of a promotion.] Recomendado lo mejor que mi cabello ha probado 🥰🥰🥰🥰
Originally posted on kerastase-usa.com
andreealnz
51.739134806E12 09/02/2025
Amazing
does not leave the hair greasy at all and works wonders
Originally posted on kerastase-usa.com
kattlady1
51.739131212E12 09/02/2025
Excellent!
Have noticed significantly less hair fall out since using this serum! Smells wonderful. Would highly recommend!
Originally posted on kerastase-usa.com
Diana Figueredo
31.740348643E12 23/02/2025
Great Serum, But the Dropper Needs an Upgrade!
I have been using Kérastase’s Sérum Anti-Casse Fortifiant for over six years, one bottle per month, and it has truly transformed my hair. It effectively reduces hair fall and strengthens the scalp, making it an essential part of my routine.
However, there is a major flaw in the packaging that needs urgent attention. The dropper comes out coated with product on the outside, which means that instead of applying the serum precisely to the scalp, the excess ends up spreading onto the rest of the hair. This is frustrating because the serum is specifically designed for the scalp, and this issue not only makes application messy but also leads to unnecessary product waste.
Kérastase, this needs to be fixed! A simple improvement—such as a built-in mechanism to remove excess serum from the dropper before it comes out—would make a huge difference. It would allow for cleaner, more precise application, ensuring the product goes exactly where it’s needed without making the hair greasy.
I love this serum, but the issue with the dropper is undeniable. A premium product like this deserves a user-friendly design that enhances, not complicates, the experience. I truly hope Kérastase takes this into consideration!
Originally posted on kerastase.ca
Reply from BEC
Hi Diana! We appreciate you providing us with your honest feedback. We will be passing this valuable information on to the rest of our team as we are always looking for ways to improve the performance of our products.
Cint1107
51.739142908E12 09/02/2025
Amazing Product
[This review was collected as part of a promotion.] Leaves your hair smelling so good. Does not cause your roots to be oily.
Originally posted on kerastase-usa.com
Buzzzy
41.739076308E12 08/02/2025
Nothing special
I haven’t seen any difference after using this, it smells too much alcohol and roses. I guess I need to give it more time to work.
Originally posted on kerastase-usa.com
Lizzzz
51.73907451E12 08/02/2025
Love!!!
[This review was collected as part of a promotion.] I have been using this with midoxinil and I have been seeing so much improvement in my hair! I’m ordering my second bottle now!
Originally posted on kerastase-usa.com
Madelin
51.739126712E12 09/02/2025
Excellent for hair loss
[This review was collected as part of a promotion.] This the second battle I bought its and my hair feels so healthy and stronger
Originally posted on kerastase-usa.com
Jannoura
51.739199618E12 10/02/2025
Best serum 😊
I used to buy this products and it’s very good for your scalp! I love it 😊
Originally posted on kerastase-usa.com
Lynn D
51.738993509E12 08/02/2025
THE best serum hands down!!
This product changed the game for me. After years of suffering with stress induced hair loss I finally found something that works!! This serum did wonders for my hair and almost completely stopped the shedding. There’s less shed and barely any hair in my brush. It also smells freakin’ amazing!! I’m so happy with this purchase it is worth every penny. Ps please make this scent into a perfume :’)
Originally posted on kerastase-usa.com
Nik2234
11.739201002E12 10/02/2025
Can’t use
Unfortunately Burning sensation when I use this and has made my scalp inflamed , itchy and dry
I love all other products!
Originally posted on kerastase.ca
Reply from BEC
Hello Nik2234, Thank you for taking the time to review the Kerastase Anti-Breakage Fortifying Serum. We are sorry to learn of your experience and would like to assist you in this matter. You will receive an email from our Consumer Care Center for further assistance.
Pookie1119
51.738903509E12 06/02/2025
Love the smell
I was skeptical but it works. Especially with postpartum hairloss
Originally posted on kerastase-usa.com
Lin He
51.739221208E12 10/02/2025
It smells good and reduces head oil
[This review was collected as part of a promotion.] My hair is very oily and it's much better after using this, especially the hair loss is reduced, it smells really good and it's very refreshing to use
Originally posted on kerastase-usa.com
melly777
51.739118248E12 09/02/2025
ALL TIME FAV!!
Please do not ever discontinue making this product!! I love it, the smell, the fact it does not make my hair greasy even after using a week, and also the what kinda magic are you all doing that my hair fall is now almost zero.??!! After much hairloss from covid/RA diagnosis and meds. Please also do not change the formula. Its pure magic as far as I'm concerned, I'm s ohappy you have it back in stock.
Originally posted on kerastase-usa.com
Kittyfrmtulsa
51.738818904E12 06/02/2025
Amazying
This product is wonderful has made a big difference in my hair.
Originally posted on kerastase-usa.com
RebeccasHair
11.738767407E12 05/02/2025
No change after 4 weeks
Watery - just a VERY STRONG scented perfume. Not like any other serum. No change in hair or hair fall. I used the complete line of Genesis. These are far too expensive Products for the volume as is, but this product in general was a complete waste and SMELLS WAY TO STRONG!!!!
I was extremely disappointed.
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
Hello RebeccasHair, Thank you for sharing your candid feedback on the Serum Fortifiant Hair Serum. We're sorry to hear of your disappointment with the product. Your comment about the watery consistency and strong scent is valuable and will be shared with our product development team. We understand your frustration with the lack of noticeable results. We appreciate you bringing these issues to our attention. All feedback helps us improve our products.,
Zina
51.73878425E12 05/02/2025
Hair serum
Love it I would buy it again I’ve been using it twice a week after showering with clean scalp and it’s my third week and I’m seeing some hair growth❤️
Originally posted on kerastase.ca
AdriC27
51.738978209E12 07/02/2025
Best hair serum on the market
When I tell you I’ve tried every serum on the market I have!! Divi , ordinary, ace … this one blow al those out of the park I had a complete random bald stop from stress after loosing my grandfather unexpectedly and WOW the difference from Nov 20th to today is mind blowing!! I’ll be re purchasing for sure ! Thanks Kérastase
Originally posted on kerastase-usa.com
Baileyyy
51.738543531E12 02/02/2025
This is the best Serum EVER!
[This review was collected as part of a promotion.] This serum makes my hair feel so insanely soft and I will be purchasing again!
Originally posted on kerastase-usa.com
Maika151
51.738646111E12 04/02/2025
Supert
It really works. I saw a lot of new hair growing at my hairline. It’s amazing!
Originally posted on kerastase-usa.com
Ohhboyss
11.738770061E12 05/02/2025
Horrible! Scent gives me a headache
I find this incredibly difficult to apply without it, dripping into your face, as well as being so strongly scented and medicinal smelling that it gives me a headache
Originally posted on kerastase-usa.com
Reply from Consumer Care Center
Hello Ohhboyss, We are sorry to hear about the experience you had with Serum Fortifiant Hair Serum. We want to speak with you directly about it. Please give us a call at 877-748-8357 M-F 9:00 am – 5:00 pm ET for assistance and provide reference 39615340.
coleanne
51.738794185E12 05/02/2025
Adding to my daily routine
[This review was collected as part of a promotion.] I have used the shampoo and conditioner of this same product for a while now and thought I would add this into my routine and now it is a must.
Originally posted on kerastase-usa.com
taz097
51.738355415E12 31/01/2025
BUY
I absolutely love love this serum! I have so much new hair growth and my hairline looks so much nicer now. If you’re thinking of getting this, do it! It’s pricey but if you have the means to buy it, I think it’s definitely worth the try!
Originally posted on kerastase-usa.com
Puddin
51.73863353E12 03/02/2025
Great for my hair
Absolutely love this on my hair. The smell is wonderful don't hesitate to get it.
Originally posted on kerastase-usa.com
Diana L
51.738782487E12 05/02/2025
Strength
This serum has dramatically strengthens my hair. Less falling hair.
Originally posted on kerastase-usa.com
ally cat
41.738630703E12 03/02/2025
Decent
Just finished my bottle after regular usage (one dropper approx every two days) for about 2.5 months. I have certainly noticed hair growth. However, my hair is still falling out in the shower at a fairly high rate, but I admit it's better than before. My one con is that I cannot reuse/refill my glass bottle, so it feels like a waste recycling it. I will not be repurchasing due to the value of the product not matching the high price tag.
Originally posted on kerastase-usa.com
Mbarber
51.73800354E12 27/01/2025
Ana701
51.737936008E12 26/01/2025
Unbelievable hair growth
[This review was collected as part of a promotion.] I purchased this product to treat my hair for growth and strength. I am now on my second bottle and I have definitely seen growth as I am seeing lots and lots of baby hairs now. I will definitely purchase another bottle. Great product.
Originally posted on kerastase-usa.com
Tnjorg
51.737920734E12 26/01/2025
Most used product
[This review was collected as part of a promotion.] I use this product twice a day. I have significant breakage and hair loss due to the regulation at work requiring a tight bun everyday. I have noticed a real difference with this product. I am typically someone who gets frustrated with products not working so I switch brands often. Kerastase is one I haven't had to do so with. I simply switch between their products based on the need of the day.
Originally posted on kerastase-usa.com
Nightowlhxc
51.737860407E12 25/01/2025
Amazing product
I love this product, non sticky/greasy, amazing and non-overpowering fragrance.
Originally posted on kerastase-usa.com
KVA02_
51.738782611E12 05/02/2025
Love
[This review was collected as part of a promotion.] Love love love, mu hair is very oily and fine, i I take care of and maintain my hair from home and for me it is more than a luxury
Originally posted on kerastase-usa.com
fani0305
51.738042235E12 28/01/2025
Excellent product, I love it!
[This review was collected as part of a promotion.] This product really works on my breakage hair, It is amazing.
Originally posted on kerastase-usa.com
Aleyyyy
51.737997283E12 27/01/2025
Love it
[This review was collected as part of a promotion.] Good for me love it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Originally posted on kerastase-usa.com
Angel333
51.737955814E12 27/01/2025
Works and smells amazing
[This review was collected as part of a promotion.] This product really truly works. I thought everyone hyping it up on social media was just a hype. After using it consistently my hair has less fall out than I have ever had. I notice the difference especially during and after my showers. I am going to be purchasing this consistently and getting everyone I know on this.
Originally posted on kerastase-usa.com
paularoko
51.737691243E12 23/01/2025
worth every penny!
I started using this serum during a period of hair loss caused by hormonal issues, and it made a noticeable difference. Not only did it help reduce the hair fall, but it also left my hair shiny and beautiful! Highly recommend this product
Originally posted on kerastase-usa.com
Anisleydi
51.737769529E12 24/01/2025
Serum
I loved this product, it has a pleasant smell and does not leave you greasy.
Originally posted on kerastase-usa.com
JOCSY5
51.737603006E12 22/01/2025
Amazing
Love this serum. Helped with shedding. Hoping they restock soon.
Originally posted on kerastase-usa.com
NKStew
51.737751516E12 24/01/2025
My holy grail
[This review was collected as part of a promotion.] This is the best product I have ever used and I absolutely refuse to go without it. My hair has grown so much since I have started using it over a year ago. This saved my hair!
Originally posted on kerastase-usa.com
Terany
51.737650735E12 23/01/2025
Can't live without it!
Perfect weight, works well and smells wonderful!! Always have this beauty on hand!
Originally posted on kerastase-usa.com
Khushi
51.737566571E12 22/01/2025
My hairfall is gone
Good, reduced my 50% of hairfall in a month . Best purchase ever
Originally posted on kerastase.ca
Bella25
51.737759762E12 24/01/2025
Less hair falling out
So far I’ve noticed I loose a lot less hair when I shower or brush my hair. The only downside is that I go through it very fast
Originally posted on kerastase-usa.com
Dcmf27
51.737465327E12 21/01/2025
Manageable hair!
It takes care of my hair and protect it making look softer.
Originally posted on kerastase-usa.com
Desirae
51.737476695E12 21/01/2025
Love it!
Amazing so far! Doesn’t make hair oily and has a nice scent
Originally posted on kerastase-usa.com
Chels7
51.737476708E12 21/01/2025
Smells great and hair has never been healthier
I have been struggling since kids, stress, surgery, getting older, etc with hair loss and my hair dresser recommended this and I do not go a single hair washing without it my hair is so much healthier and I’m seeing some new growth.
Originally posted on kerastase-usa.com
Anonymous
51.737247509E12 18/01/2025
serum
[This review was collected as part of a promotion.] Great shampoo ever, money is worthy, i love it so much
Originally posted on kerastase-usa.com
Stacey317
51.737074711E12 16/01/2025
Love this product.
This is a wonderful product and I hope to continue seeing good hair growth results. So far, so good. Non oily. Smells great. Feels refreshing.
Originally posted on kerastase-usa.com
Anti-Breakage Fortifying Hair Serum 90ml
Kerastase - Genesis
Daily anti hair-fall fortifying serum for weakened hair, prone to falling. The serum improves hair resistance to minimize hair-fall and maximize beautiful hair.